this week. i'm in northern california. i'm going to tell you there is something already in your medicine cabinet that many believe could be a cure for cancer. i'll explain it. also, i'll introduce you to a boy who was terribly bullied over a speech problem. now he found a way to help his speech issue. and a way to feel satisfied with eating. >>> we begin with marijuana, on the ballot in six states, the question is, should doctors be allowed to prescribe marijuana for medicinal use. here in california, the first medical marijuana law took effect about 16 years ago. but i'll tell you, being out here the controversy is still controversial, and it confuses many people. here to talk with us is the doctor who is the author of the pot book, a complete guide. dr. holland, thank you for joining us on the program. >> it is my pleasure, dr. gupta. >> you know, it is interesting being out here, people talk about this all the time. there are many states where this is already allowed, medicinal marijuana use. what do they typically prescribe the marijuana for? are there certain conditions? and how do